Journal of Infrared and Millimeter Waves, Volume. 40, Issue 5, 582(2021)
Development of 512 × 2-element InGaAs spectral sensor IoT node
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Fig. 2. 512×2 InGaAs Spectral sensor：（a）The image of spectral sensor（b）Spectral sensor architecture
Fig. 6. Schematic of the experimental platform：1. Light source，2. Transmission sample tank，3. SRM2035a standard reference material，4. Beam expander，5. Spectral node
Fig. 7. Spectral-node response characteristics of the 1650 nm DFB laser
Fig. 9. Spectral response curves of pixels and related wavelengths
Fig. 10. The absorbance curves of alcoholic beverages with different nominal concentrations were measured，
Table 1. Wavelength accuracy and repeatability test of SRM2035a
View tableView in ArticleTable 1. Wavelength accuracy and repeatability test of SRM2035a
Standard wavelength /nm 1075.6
0.1 1151.5
0.1 1222.2
0.2 1366.8
0.1 1469.1
0.2 Test1 1074.9 1151.0 1218.9 1366.3 1466.7 Test2 1074.9 1151.0 1219.0 1366.3 1466.7 Test3 1074.8 1151.0 1219.0 1366.2 1466.7 Test4 1075.0 1150.7 1219.1 1366.3 1466.7 Test5 1074.9 1150.7 1219.0 1366.1 1466.6 Accuracy -0.7 -0.7 -3.2 -0.6 -2.4 Repeatability 0.2 0.3 0.2 0.2 0.1
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Peng-Yu KE, Meng-Xuan LIU, Xu-Quan WANG, Song-Lei HUANG, Yong-Gang ZHANG, Jia-Xiong FANG. Development of 512 × 2-element InGaAs spectral sensor IoT node[J]. Journal of Infrared and Millimeter Waves, 2021, 40(5): 582
Paper Information
Category: Research Articles
Received: Oct. 27, 2020
Accepted: --
Published Online: Sep. 29, 2021
The Author Email: Song-Lei HUANG (huangsl@mail.sitp.ac.cn), Jia-Xiong FANG (jxfang@mail.sitp.ac.cn)
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